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[3.5.y.z,extended,stable] Patch "atl1e: limit gso segment size to prevent generation of wrong" has been added to staging queue

Message ID 1367451279-20034-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques May 1, 2013, 11:34 p.m. UTC
This is a note to let you know that I have just added a patch titled

    atl1e: limit gso segment size to prevent generation of wrong

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From 7339b4c8ef7f090aefbf5167d89eeb3dc03613bd Mon Sep 17 00:00:00 2001
From: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date: Tue, 2 Apr 2013 14:36:46 +0000
Subject: [PATCH] atl1e: limit gso segment size to prevent generation of wrong
 ip length fields

commit 31d1670e73f4911fe401273a8f576edc9c2b5fea upstream.

The limit of 0x3c00 is taken from the windows driver.

Suggested-by: Huang, Xiong <xiong@qca.qualcomm.com>
Cc: Huang, Xiong <xiong@qca.qualcomm.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/net/ethernet/atheros/atl1e/atl1e.h      | 2 +-
 drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

--
1.8.1.2
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Patch

diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e.h b/drivers/net/ethernet/atheros/atl1e/atl1e.h
index edfdf6b..b5fd934 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e.h
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e.h
@@ -186,7 +186,7 @@  struct atl1e_tpd_desc {
 /* how about 0x2000 */
 #define MAX_TX_BUF_LEN      0x2000
 #define MAX_TX_BUF_SHIFT    13
-/*#define MAX_TX_BUF_LEN  0x3000 */
+#define MAX_TSO_SEG_SIZE    0x3c00

 /* rrs word 1 bit 0:31 */
 #define RRS_RX_CSUM_MASK	0xFFFF
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 38f7093..56b04c4 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -2352,6 +2352,7 @@  static int __devinit atl1e_probe(struct pci_dev *pdev,

 	INIT_WORK(&adapter->reset_task, atl1e_reset_task);
 	INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task);
+	netif_set_gso_max_size(netdev, MAX_TSO_SEG_SIZE);
 	err = register_netdev(netdev);
 	if (err) {
 		netdev_err(netdev, "register netdevice failed\n");